PostgreSQL 12: Copying replication slots

package replication; import static assertThat(When replication slot doesn't exists, server can't start replication

PostgreSQL 12: Copying replication slots The replication slot basically tells Postgres not to recycle or remove any WAL files that could ultimately prevent it from catching up with the

package replication; import static assertThat(When replication slot doesn't exists, server can't start replication

lucky jack book of rebirth slot Step 1: Create a publication on the primary server · Step 2: Create a logical replication slot on the primary server · Step 3: Create a

In the context of logical replication, a slot represents a stream of changes that can be replayed to a client in the order they were made on the origin server

start slot By themselves, replication slots occupy very little disk space They just store tiny bit of metadata, including a pointer to a position in WAL

Replication slots provide an automated way to ensure that the master does not remove WAL segments until they have been received by all